netdev - [PATCH v2 3/3] wifi: rtw88: usb: drop now unnecessary URB size check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 10 Feb 2023 12:16:32 +0100
From:   Sascha Hauer <s.hauer@...gutronix.de>
To:     linux-wireless@...r.kernel.org
Cc:     Neo Jou <neojou@...il.com>, Hans Ulli Kroll <linux@...i-kroll.de>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Yan-Hsuan Chuang <tony0620emma@...il.com>,
        Kalle Valo <kvalo@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        kernel@...gutronix.de, Alexander Hochbaum <alex@...udo.com>,
        Da Xue <da@...re.computer>, Po-Hao Huang <phhuang@...ltek.com>,
        Andreas Henriksson <andreas@...al.se>,
        Viktor Petrenko <g0000ga@...il.com>,
        Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH v2 3/3] wifi: rtw88: usb: drop now unnecessary URB size check

Now that we send URBs with the URB_ZERO_PACKET flag set we no longer
need to make sure that the URB sizes are not multiple of the
bulkout_size. Drop the check.

Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
---
 drivers/net/wireless/realtek/rtw88/usb.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
index 1a09c9288198a..2a8336b1847a5 100644
--- a/drivers/net/wireless/realtek/rtw88/usb.c
+++ b/drivers/net/wireless/realtek/rtw88/usb.c
@@ -414,24 +414,11 @@ static int rtw_usb_write_data_rsvd_page(struct rtw_dev *rtwdev, u8 *buf,
 					u32 size)
 {
 	const struct rtw_chip_info *chip = rtwdev->chip;
-	struct rtw_usb *rtwusb;
 	struct rtw_tx_pkt_info pkt_info = {0};
-	u32 len, desclen;
-
-	rtwusb = rtw_get_usb_priv(rtwdev);
 
 	pkt_info.tx_pkt_size = size;
 	pkt_info.qsel = TX_DESC_QSEL_BEACON;
-
-	desclen = chip->tx_pkt_desc_sz;
-	len = desclen + size;
-	if (len % rtwusb->bulkout_size == 0) {
-		len += RTW_USB_PACKET_OFFSET_SZ;
-		pkt_info.offset = desclen + RTW_USB_PACKET_OFFSET_SZ;
-		pkt_info.pkt_offset = 1;
-	} else {
-		pkt_info.offset = desclen;
-	}
+	pkt_info.offset = chip->tx_pkt_desc_sz;
 
 	return rtw_usb_write_data(rtwdev, &pkt_info, buf);
 }
-- 
2.30.2